What is C4.5？

之前看過C4.5，一直沒機會好好了解
最近閱讀的這篇文獻，裡頭也用到了C4.5
以下是文獻中的參考資訊：

1. C4.5: programs for machine learning
2. Induction of Decision Trees 1
Induction of Decision Trees 2